11
NOTE: Greater clearances for access should supersede fire
protection clearances.
Minimum Clearance
17 3/4 in. [450 mm ]
From Front of Boiler
13.58 in /
345.00 mm
12
in
[305 mm]
17
3/4
in
[450 mm]
8 5/8 in [220 mm]
40
1/4
in
[1.02 m]
125 & 150
13
9/16
in
[345 mm]
4.3 Clearances
1
3/4
in
[45 mm]
Left Side View
of Boiler
Front View of
Boiler
Service Clearances
4 - LOCATING BOILER
1
3/4
in
[45 mm
]
17
3/4
in
Top View
Back
Closet Installation
0 in /0 mm between Back of Unit and wall
1
3/4
in
[45 mm]
1
3/4
in
[45 mm]
1
3/4
in
[45 mm]
[450 mm]
Front View of Boiler
0
in
[0 mm]
0
in
[0 mm]
Top View
0
in
[0 mm]
0
in
[0 mm]
Combustible Clearances
TABLE 1: BOILER CLEARANCES
Dimension
Combustible
Materials
(1)
Manufacturer
Recommended for
Service
(1)(2)
Top
0" (0 cm)
8-5/8" (220 mm)
Left Side
1-3/4" (45 mm)
12" (305 mm)
Right Side
1-3/4" (45 mm)
1-3/4" (45 mm)
Front
0" (0 mm)
17-3/4"(450 mm)
Back
0" (0 mm)
0" (0 mm)
Bottom
0" (0 mm)
0"(0 mm)
Combustion Air/Vent piping
0" (0 mm)
6" (160 mm)
(1)
Required distances measured from boiler jacket.
(2)
Service, proper operation clearance recommendation.
* Allowance for piping and venting not included.
240012564 REV A, [05/15/2019]